diff options
| author | Jan Hubicka <hubicka@ucw.cz> | 2017-07-04 15:42:22 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2017-07-04 13:42:22 +0000 |
| commit | cea768b0caa43d0957d752933bb43f3d73bfed69 (patch) | |
| tree | ecd90f4cad54db5c8483a1a24d021d72c83f9ec9 /gcc | |
| parent | 4741e46d775429fe32086dd93ced7ea86644eba2 (diff) | |
| download | gcc-cea768b0caa43d0957d752933bb43f3d73bfed69.zip gcc-cea768b0caa43d0957d752933bb43f3d73bfed69.tar.gz gcc-cea768b0caa43d0957d752933bb43f3d73bfed69.tar.bz2 | |
* haifa-sched.c (sched_create_recovery_edges): Update profile.
From-SVN: r249967
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/haifa-sched.c | 14 |
2 files changed, 17 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5a1659d..89678c2 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,9 @@ 2017-07-04 Jan Hubicka <hubicka@ucw.cz> + * haifa-sched.c (sched_create_recovery_edges): Update profile. + +2017-07-04 Jan Hubicka <hubicka@ucw.cz> + * bb-reorder.c (better_edge_p): Fix handling of uninitialized probability. diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index 9632a6d..af0ed27 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -8302,7 +8302,19 @@ sched_create_recovery_edges (basic_block first_bb, basic_block rec, else edge_flags = 0; - make_edge (first_bb, rec, edge_flags); + edge e2 = single_succ_edge (first_bb); + edge e = make_edge (first_bb, rec, edge_flags); + + /* TODO: The actual probability can be determined and is computed as + 'todo_spec' variable in create_check_block_twin and + in sel-sched.c `check_ds' in create_speculation_check. */ + e->probability = profile_probability::very_unlikely (); + e->count = first_bb->count.apply_probability (e->probability); + rec->count = e->count; + rec->frequency = EDGE_FREQUENCY (e); + e2->probability = e->probability.invert (); + e2->count = first_bb->count - e2->count; + rtx_code_label *label = block_label (second_bb); rtx_jump_insn *jump = emit_jump_insn_after (targetm.gen_jump (label), BB_END (rec)); |